Description: Currently you are watching Carbon dating used for porn video. You can find more videos like Carbon dating used for below in the related videos section. Carbon dating is a variety of radioactive dating which is applicable only to matter which was once living and presumed to be in equilibrium with the atmosphere, taking in carbon dioxide from the air for photosynthesis. Cosmic ray protons blast nuclei in the upper atmosphere, producing neutrons which in turn bombard nitrogen, the major constituent of the atmosphere. This neutron bombardment produces the radioactive isotope carbon Radiocarbon dating is a method for determining the age of an object containing organic . C decays at a known rate, the proportion of radiocarbon can be used to determine how long it has been since a given sample stopped exchanging.
Added: 24.02.2019 at 06:08
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